Duo core enable/support help.

[Giorgos Keramidas]

On 2006-12-05 12:14, Marwan Sultan <dead_line at hotmail.com> wrote:
> Hello Lane!
> 
> I'm a frequent reader to /usr/src/UPDATING
> But whenever I need to update or upgrade only, since years!
> 
> Also I knew very well whats KERNCONF! i just wanted to know and make
> sure of the duo core options, and i searched the NOTES file, didnot
> find anything about it.

If this is what you are asking, then "yes, an SMP-capable kernel will
discover the two cores of your Intel Core Duo as separate CPUs".

On my Toshiba Satellite laptop, this shows up in /var/run/dmesg.boot:

% Copyright (c) 1992-2006 The FreeBSD Project.
% Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
% 	The Regents of the University of California. All rights reserved.
% FreeBSD is a registered trademark of The FreeBSD Foundation.
% FreeBSD 7.0-CURRENT #0: Mon Dec  4 15:30:38 EET 2006
%     build at kobe:/home/build/obj/home/build/src/sys/KOBE
% WARNING: WITNESS option enabled, expect reduced performance.
% Timecounter "i8254" frequency 1193182 Hz quality 0
% CPU: Genuine Intel(R) CPU           T2400  @ 1.83GHz (1828.77-MHz 686-class CPU)
%   Origin = "GenuineIntel"  Id = 0x6e8  Stepping = 8
%   Features=0xbfe9fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
%   Features2=0xc1a9<SSE3,MON,VMX,EST,TM2,XTPR,<b15>>
%   Cores per package: 2
% real memory  = 528089088 (503 MB)
% avail memory = 507101184 (483 MB)
% ACPI APIC Table: <TOSHIB 750     >
% FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
%  cpu0 (BSP): APIC ID:  0
%  cpu1 (AP): APIC ID:  1
% [...]

Then, each core works as a separate CPU, as expected :)